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	   <h2>OutputPort.js</h2>
	
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<h4>Summary</h4>
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		No overview generated for 'OutputPort.js'<BR/><BR/>
	
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        <b>Class Summary</b>
    
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    <td width="15%"><b><a href="draw2d/OutputPort.html">draw2d.OutputPort</a></b></td>
    <td>&nbsp;</td>
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        <pre class="sourceview"><span class="comment">/* This notice must be untouched at all times.

FreeGroup Draw2D 0.9.26
The latest version is available at
http://www.freegroup.de

Copyright (c) 2006 Andreas Herz. All rights reserved.
Created 5. 11. 2006 by Andreas Herz (Web: http://www.freegroup.de )

LICENSE: LGPL

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License (LGPL) as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA,
or see http://www.gnu.org/copyleft/lesser.html
*/</span>

<span class="comment">/**
 * 
 * <span class="attrib">@version</span> 0.9.26
 * <span class="attrib">@author</span> Andreas Herz
 * <span class="attrib">@constructor</span>
 */</span>
draw2d.OutputPort=<span class="reserved">function</span>(<span class="comment">/*:draw2d.Figure*/</span> uiRepresentation)
{
  draw2d.Port.call(<span class="reserved">this</span>, uiRepresentation);

  <span class="comment">/** <span class="attrib">@private</span> **/</span>
  <span class="reserved">this</span>.maxFanOut = 100; <span class="comment">// the maximimum connections which goes out of this port</span>
};

draw2d.OutputPort.<span class="reserved">prototype</span> = new draw2d.Port();
<span class="comment">/** <span class="attrib">@private</span> **/</span>
draw2d.OutputPort.<span class="reserved">prototype</span>.type=<span class="literal">"draw2d.OutputPort"</span>;



<span class="comment">/**
 *
 **/</span>
draw2d.OutputPort.<span class="reserved">prototype</span>.onDragEnter = <span class="reserved">function</span>(<span class="comment">/*:draw2d.Port*/</span> port)
{
  <span class="reserved">if</span>(<span class="reserved">this</span>.getMaxFanOut()&lt;=<span class="reserved">this</span>.getFanOut())
    <span class="reserved">return</span>;

  <span class="reserved">if</span>(port instanceof draw2d.InputPort)
  {
    draw2d.Port.<span class="reserved">prototype</span>.onDragEnter.call(<span class="reserved">this</span>, port);
  }
  <span class="comment">// User drag&amp;drop a ResizeHandle. This will enforce a ConnectionReconnectCommand</span>
  <span class="reserved">else</span> <span class="reserved">if</span> (port instanceof draw2d.LineStartResizeHandle)
  {
    var line = <span class="reserved">this</span>.workflow.currentSelection;
    <span class="reserved">if</span>(line instanceof draw2d.Connection &amp;&amp; line.getSource() instanceof draw2d.OutputPort)
      draw2d.Port.<span class="reserved">prototype</span>.onDragEnter.call(<span class="reserved">this</span>, line.getTarget());
  }
  <span class="comment">// User drag&amp;drop a ResizeHandle. This will enforce a ConnectionReconnectCommand</span>
  <span class="reserved">else</span> <span class="reserved">if</span> (port instanceof draw2d.LineEndResizeHandle)
  {
    var line = <span class="reserved">this</span>.workflow.currentSelection;
    <span class="reserved">if</span>(line instanceof draw2d.Connection &amp;&amp; line.getTarget() instanceof draw2d.OutputPort)
       draw2d.Port.<span class="reserved">prototype</span>.onDragEnter.call(<span class="reserved">this</span>, line.getSource());
  }
};

draw2d.OutputPort.<span class="reserved">prototype</span>.onDragLeave = <span class="reserved">function</span>(<span class="comment">/*:draw2d.Port*/</span> port)
{
  <span class="reserved">if</span>(port instanceof draw2d.InputPort)
  {
    draw2d.Port.<span class="reserved">prototype</span>.onDragLeave.call(<span class="reserved">this</span>, port);
  }
  <span class="comment">// User drag&amp;drop a ResizeHandle. This will enforce a ConnectionReconnectCommand</span>
  <span class="reserved">else</span> <span class="reserved">if</span> (port instanceof draw2d.LineStartResizeHandle)
  {
    var line = <span class="reserved">this</span>.workflow.currentSelection;
    <span class="reserved">if</span>(line instanceof draw2d.Connection &amp;&amp; line.getSource() instanceof draw2d.OutputPort)
       draw2d.Port.<span class="reserved">prototype</span>.onDragLeave.call(<span class="reserved">this</span>, line.getTarget());
  }
  <span class="reserved">else</span> <span class="reserved">if</span> (port instanceof draw2d.LineEndResizeHandle)
  {
    var line = <span class="reserved">this</span>.workflow.currentSelection;
    <span class="reserved">if</span>(line instanceof draw2d.Connection &amp;&amp; line.getTarget() instanceof draw2d.OutputPort)
       draw2d.Port.<span class="reserved">prototype</span>.onDragLeave.call(<span class="reserved">this</span>, line.getSource());
  }
};

<span class="comment">/**
 * <span class="attrib">@private</span>
 **/</span>
draw2d.OutputPort.<span class="reserved">prototype</span>.onDragstart = <span class="reserved">function</span>(<span class="comment">/*:int*/</span> x, <span class="comment">/*:int*/</span> y)
{
  <span class="reserved">if</span>(!<span class="reserved">this</span>.canDrag)
    <span class="reserved">return</span> false;

  <span class="reserved">if</span>(<span class="reserved">this</span>.maxFanOut===-1)
    <span class="reserved">return</span> true;

  <span class="reserved">if</span>(<span class="reserved">this</span>.getMaxFanOut()&lt;=<span class="reserved">this</span>.getFanOut())
    <span class="reserved">return</span> false;

  <span class="reserved">return</span> true;
};



draw2d.OutputPort.<span class="reserved">prototype</span>.setMaxFanOut = <span class="reserved">function</span>(<span class="comment">/*:int*/</span> count)
{
  <span class="reserved">this</span>.maxFanOut = count;
};

draw2d.OutputPort.<span class="reserved">prototype</span>.getMaxFanOut = <span class="reserved">function</span>()
{
  <span class="reserved">return</span> <span class="reserved">this</span>.maxFanOut;
};

<span class="comment">/**
 * <span class="attrib">@type</span> int
 **/</span>
draw2d.OutputPort.<span class="reserved">prototype</span>.getFanOut = <span class="reserved">function</span>()
{
  <span class="reserved">if</span>(<span class="reserved">this</span>.getParent().workflow===null)
    <span class="reserved">return</span> 0;

  var count =0;
  var lines = <span class="reserved">this</span>.getParent().workflow.getLines();
  var size=lines.getSize();
  <span class="reserved">for</span>(var i=0;i&lt; size;i++)
  {
    var line = lines.get(i);
    <span class="reserved">if</span>(line instanceof draw2d.Connection)
    {
      <span class="reserved">if</span>(line.getSource()==<span class="reserved">this</span>)
        count++;
      <span class="reserved">else</span> <span class="reserved">if</span>(line.getTarget()==<span class="reserved">this</span>)
        count++;
    }
  }
  <span class="reserved">return</span> count;
};

<span class="comment">/**
 * Returns the Command to perform the specified Request or null.&lt;br&gt;
 * Inherited figures can override this method to return the own implementation
 * of the request.&lt;br&gt;
 *
 * <span class="attrib">@param</span> {draw2d.EditPolicy} request describes the Command being requested
 * <span class="attrib">@return</span> null or a draw2d.Command
 * <span class="attrib">@type</span> draw2d.Command 
 * <span class="attrib">@since</span> 0.9.15
 **/</span>
draw2d.OutputPort.<span class="reserved">prototype</span>.createCommand=<span class="reserved">function</span>(<span class="comment">/*:draw2d.EditPolicy*/</span> request)
{
   <span class="comment">// Connect request between two ports</span>
   <span class="comment">//</span>
   <span class="reserved">if</span>(request.getPolicy() ===draw2d.EditPolicy.CONNECT)
   {
     <span class="reserved">if</span>(request.source.parentNode.id === request.target.parentNode.id)
        <span class="reserved">return</span> null;

     <span class="reserved">if</span>(request.source instanceof draw2d.InputPort)
        <span class="comment">// This is the different to the InputPort implementation of createCommand.</span>
        <span class="reserved">return</span> new draw2d.CommandConnect(request.canvas,request.target,request.source);

     <span class="reserved">return</span> null;
   }

   <span class="comment">// ...else call the base class</span>
   <span class="reserved">return</span> draw2d.Port.<span class="reserved">prototype</span>.createCommand.call(<span class="reserved">this</span>,request);
};
</pre>
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<div class="jsdoc_ctime">Documentation generated by <a href="http://jsdoc.sourceforge.net/" target="_parent">JSDoc</a> on Mon Nov 14 13:45:39 2011</div>
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